Commit 4f361781 authored by Benoit Parrot's avatar Benoit Parrot Committed by Mauro Carvalho Chehab

[media] media: ti-vpe: vpdma: Fix bus error when vpdma is writing a descriptor

On DRA7 since l3_noc event are being reported it was found that
when the write descriptor was being written it was consistently
causing bus error events.

The write address was improperly programmed.
Signed-off-by: default avatarBenoit Parrot <bparrot@ti.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 3f43554c
......@@ -212,6 +212,7 @@ struct vpdma_dtd {
#define DTD_V_START_MASK 0xffff
#define DTD_V_START_SHFT 0
#define DTD_DESC_START_MASK 0xffffffe0
#define DTD_DESC_START_SHIFT 5
#define DTD_WRITE_DESC_MASK 0x01
#define DTD_WRITE_DESC_SHIFT 2
......@@ -294,7 +295,7 @@ static inline u32 dtd_frame_width_height(int width, int height)
static inline u32 dtd_desc_write_addr(unsigned int addr, bool write_desc,
bool drop_data, bool use_desc)
{
return (addr << DTD_DESC_START_SHIFT) |
return (addr & DTD_DESC_START_MASK) |
(write_desc << DTD_WRITE_DESC_SHIFT) |
(drop_data << DTD_DROP_DATA_SHIFT) |
use_desc;
......@@ -399,7 +400,7 @@ static inline int dtd_get_frame_height(struct vpdma_dtd *dtd)
static inline int dtd_get_desc_write_addr(struct vpdma_dtd *dtd)
{
return dtd->desc_write_addr >> DTD_DESC_START_SHIFT;
return dtd->desc_write_addr & DTD_DESC_START_MASK;
}
static inline bool dtd_get_write_desc(struct vpdma_dtd *dtd)
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment